China Electronics Technology Group Corporation
No.26 Research Institute
69.99MHz SAW Filter
0.8MHz Bandwidth
Part Number:
LBS07070
www.sipatsaw.com
SIPAT Co., Ltd.
Specifications
Parameter
Center Frequency
Insertion Loss
1.5dB Bandwidth
3dB Bandwidth
40dB Bandwidth
50dB Bandwidth
Passband Variation
Group Delay Variation(in Fc±0.4MHz)
Phase Linearity (in Fc ±0.4 MHz)
Absolute Delay
Ultimate Rejection(outside Fc ±1.25 MHz)
Input/Output SWR
（
1
）
at Fc
Source Impedance
Load Impedance
Subatrate Material
Ambient Temperature
Package Size
°C
ohm
ohm
-
-
Unit
MHz
dB
MHz
MHz
MHz
MHz
dB
nsec
deg
usec
dB
Minimum
69.94
Typical
69.99
18.5
Maximum
70.04
20
0.8
0.87
0.91
1.15
1.23
0.7
700
5
9.51
50
55
1
1.20
1.4
50
50
Quartz
25
HQ04（73.28x19.94x6.5）
2
-
-
Notes:
(1)
with matching network
(2)
All specifications are based on the test circuit shown below
(3)
Electrical margin has been built into the design to account for the variations due to manufacturing
tolerances
(4)
This specification is valid for room temperature only
Matching Configuration
Typical component values: L1 = 68nH
(
minimum inductor Q = 50
)
C1 = 150pF C11 = 3.6 pF
L2 = 100 nH C2 = 100pF C22 = 3.6 pF
SIPAT Co., Ltd.
( CETC No. 26 Research Institute )
Nanping Huayuan Road No. 14
Chongqing, China, 400060
Part Number
Rev. Date
Rev.
LBS07070
2005-4-18
1.0
Page
1/4
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
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